Description
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ALPHA-10A
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SPECIFICATION
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Nominal Basket Diameter
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10", 254mm
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Nominal Impedance*
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8 ohms
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Power Rating
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Watts
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150W
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Music Program
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300W
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Resonance
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50Hz
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Usable Frequency Range
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57Hz-4.5kHz
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Sensitivity***
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95.6
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Magnet Weight
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20 oz.
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Gap Height
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0.25", 6.35mm
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Voice Coil Diameter
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1.5", 38.1mm
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THIELE & SMALL PARAMETERS
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Resonant Frequency (fs)
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DC Resistance (Re)
5.31
Coil Inductance (Le)
0.66mH
Mechanical Q (Qms)
5.21
Electromagnetic Q (Qes)
0.66
Total Q (Qts)
0.59
Compliance Equivalent Volume (Vas)
82.2 liters / 2.9 cu.ft.
Peak Diaphragm Displacement Volume (Vd)
114cc
Mechanical Compliance of Suspension (Cms)
0.46mm/N
BL Product (BL)
7.5 T-M
Diaphram Mass inc. Airload (Mms)
22 grams
Efficiency Bandwidth Product (EBP)
76
Maximum Linear Excursion (Xmax)
3.2mm
Surface Area of Cone (Sd)
355.4 cm2
Maximum Mechanical Limit (Xlim)
9.1mm
MOUNTING INFORMATION
Recommended Enclosure
Sealed
8.5-11.3 liters/0.3-0.4 cu.ft.
Vented
28.3-53.8 liters/1.0-1.9 cu.ft.
Overall Diameter
10.11", 256.8mm
Baffle Hole Diameter
9.13", 231.8mm
Front Sealing Gasket
Fitted as standard
Rear Sealing Gasket
Fitted as standard
Mounting Holes Diameter
0.23", 5.7mm
Mounting Holes B.C. D.
9.6", 243.8mm
Depth
3.90", 99mm
Net Weight
4.5 lbs., 2 kg
Shipping Weight
5.6 lbs., 2.5 kg
MATERIALS OF CONSTRUCTION
Coil Construction
Copper voice coil
Coil Former
Polyimide former
Magnet Composition
Ferrite magnet
Core Details
Vented and extended core
Basket Materials
Pressed steel basket
Cone Composition
Paper Cone
Cone Edge Composition
Cloth cone edge
Dustcap Composition
Solid composition paper dust cap
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